Alg 1 Stats Review

Front

What is the definition of median in a data set?

Back

The median is the middle value when the data set is ordered from least to greatest. If there is an even number of observations, the median is the average of the two middle numbers.

Front

How do you find the highest score in a data set?

Back

To find the highest score, you identify the maximum value in the data set.

Front

What is a box plot?

Back

A box plot is a graphical representation of a data set that shows the minimum, first quartile, median, third quartile, and maximum.

Front

What does the first quartile (Q1) represent in a box plot?

Back

The first quartile (Q1) represents the median of the lower half of the data set, indicating that 25% of the data falls below this value.

Front

What does the third quartile (Q3) represent in a box plot?

Back

The third quartile (Q3) represents the median of the upper half of the data set, indicating that 75% of the data falls below this value.

Front

How do you calculate the percentage of data within a specific range?

Back

To calculate the percentage of data within a specific range, divide the number of data points within that range by the total number of data points, then multiply by 100.

Front

What is the definition of a data set?

Back

A data set is a collection of related data points or values, often organized in a table or list.

Front

What is the difference between mean and median?

Back

The mean is the average of all data points, while the median is the middle value when the data is ordered.

Front

How do you determine the mode of a data set?

Back

The mode is the value that appears most frequently in a data set.

Front

What is the significance of the median in statistics?

Back

The median is significant because it is not affected by outliers and provides a better measure of central tendency for skewed distributions.